EP0638518A3 - Procédé pour l'électrolyse d'une solution aqueuse de chlorure de potassium - Google Patents

Procédé pour l'électrolyse d'une solution aqueuse de chlorure de potassium Download PDF

Info

Publication number: EP0638518A3
Authority: EP; European Patent Office
Prior art keywords: electrolysis; potassium chloride; aqueous solution; sulfate; potassium
Prior art date: 1993-08-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP94108515A

Other languages

German (de)

English (en)

Other versions

EP0638518A2 (fr

EP0638518B1 (fr

Inventor

Rüdiger Dr. Hönigschmid-Grossich

Peter Dr. Schmittinger

Ingo Dr. Stahl

Karl-Rainer Dr. Wambach-Sommerhoff

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Huels AG

Original Assignee

Huels AG

Chemische Werke Huels AG

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1993-08-04

Filing date

1994-06-03

Publication date

1995-03-08

1994-06-03 Application filed by Huels AG, Chemische Werke Huels AG filed Critical Huels AG

1995-02-15 Publication of EP0638518A2 publication Critical patent/EP0638518A2/fr

1995-03-08 Publication of EP0638518A3 publication Critical patent/EP0638518A3/fr

1998-05-06 Application granted granted Critical

1998-05-06 Publication of EP0638518B1 publication Critical patent/EP0638518B1/fr

2014-06-03 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/34—Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/14—Purification
- C01D3/16—Purification by precipitation or adsorption
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
- C25B15/085—Removing impurities

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Metallurgy (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Electrolytic Production Of Metals (AREA)

EP94108515A 1993-08-04 1994-06-03 Procédé pour l'électrolyse d'une solution aqueuse de chlorure de potassium Expired - Lifetime EP0638518B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE4326128		1993-08-04
DE4326128A DE4326128A1 (de)	1993-08-04	1993-08-04	Verfahren zur Elektrolyse einer wäßrigen Kaliumchlorid-Lösung

Publications (3)

Publication Number	Publication Date
EP0638518A2 EP0638518A2 (fr)	1995-02-15
EP0638518A3 true EP0638518A3 (fr)	1995-03-08
EP0638518B1 EP0638518B1 (fr)	1998-05-06

Family

ID=6494418

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP94108515A Expired - Lifetime EP0638518B1 (fr)	1993-08-04	1994-06-03	Procédé pour l'électrolyse d'une solution aqueuse de chlorure de potassium

Country Status (7)

Country	Link
US (1)	US5482696A (fr)
EP (1)	EP0638518B1 (fr)
JP (1)	JPH0776789A (fr)
KR (1)	KR950006029A (fr)
CA (1)	CA2129280A1 (fr)
DE (2)	DE4326128A1 (fr)
ES (1)	ES2117982T3 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2782709B1 (fr) *	1998-08-26	2001-02-02	Solvay	Procede pour la production de cristaux de chlorure de sodium
US6962662B2 (en) *	2000-07-13	2005-11-08	Stephen Ray Wurzburger	Process for treating lightly contaminated acid mine water
US6478971B1 (en)	2000-09-21	2002-11-12	Cargill, Incorporated	Process for removing sulfate from an aqueous salt solution
US7077968B2 (en) *	2002-03-08	2006-07-18	Drm, Dr. Mueller Ag	Method for continuously filtering raw brine for use in chlor-alkali electrolysis
RU2334678C2 (ru) *	2006-09-04	2008-09-27	Открытое Акционерное Общество "Каустик"	Способ очистки водных растворов хлоридов металлов от сульфат-ионов
JP2009114487A (ja) *	2007-11-02	2009-05-28	久慶 ▲福▼▲楊▼	電気分解を利用した電解装置及びこれの気液分離装置
RU2373140C1 (ru) *	2008-04-28	2009-11-20	Открытое Акционерное Общество "Каустик"	Способ комплексной очистки водных растворов хлоридов металлов от примесей железа и сульфат-ионов
US20110024359A1 (en) *	2009-07-29	2011-02-03	General Electric Company	Method for removing chloride from aqueous solution
DE102010012386A1 (de)	2010-03-22	2011-09-22	Jörg Beckmann	Verfahren zur Herstellung eines polymeren Kunststoffs sowie ein damit hergestelltes Erzeugnis
TWI406820B (zh) *	2010-08-17	2013-09-01	Univ Nat Taipei Technology	Treatment of chlorine - containing wastewater
WO2013184699A1 (fr) *	2012-06-04	2013-12-12	Halosource, Inc.	Procédé d'élimination d'anions sulfate à partir d'une solution aqueuse
WO2014029021A1 (fr) *	2012-08-22	2014-02-27	Chemetics Inc.	Soutirage latéral d'impuretés dans des systèmes d'électrolyse
WO2017148507A1 (fr) *	2016-03-01	2017-09-08	Siemens Aktiengesellschaft	Technique d'activation d'électrode à base de soufre pour un électrolyseur
CN112591770B (zh) *	2020-10-09	2024-03-26	上海氯德新材料科技有限公司	淡盐水提纯分离硫酸钾的生产工艺及装置
US11339481B1 (en) *	2021-08-06	2022-05-24	Lithium Ark Holding B.V.	Production of lithium hydroxide and lithium carbonate
CN114774948B (zh) *	2022-03-18	2024-02-06	西安吉利电子新材料股份有限公司	一种一步法电解氯化钾制取电子级氢氧化钾及多种电子化学品的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1209562B (de) *	1959-05-15	1966-01-27	Ciba Geigy	Verfahren zur kontinuierlichen Reinigung von Alkalichloridsole
US3941667A (en) *	1975-03-21	1976-03-02	Friedrich Uhde Gmbh	Method for the reprocessing of cell liquor from diaphragm cell electrolysis plants
DE3805266A1 (de) *	1988-02-19	1989-08-24	Wacker Chemie Gmbh	Verfahren zur sulfatentfernung aus alkalichlorid-sole

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3271106A (en) *	1963-10-09	1966-09-06	Int Minerals & Chem Corp	Production of potassium sulfate and potassium chloride
DE2709728C2 (de) *	1977-03-05	1981-10-29	Bayer Ag, 5090 Leverkusen	Verfahren zur Herstellung von Chlor und Alkalihydroxid durch Elektrolyse unter Einsatz von calcium- und/oder sulfathaltigem Rohsalz
JPS5565372A (en) *	1978-11-10	1980-05-16	Asahi Glass Co Ltd	Electrolyzing method of aqueous potassium chloride solution

1993
- 1993-08-04 DE DE4326128A patent/DE4326128A1/de not_active Withdrawn
1994
- 1994-06-03 EP EP94108515A patent/EP0638518B1/fr not_active Expired - Lifetime
- 1994-06-03 ES ES94108515T patent/ES2117982T3/es not_active Expired - Lifetime
- 1994-06-03 DE DE59405881T patent/DE59405881D1/de not_active Expired - Fee Related
- 1994-07-22 US US08/279,005 patent/US5482696A/en not_active Expired - Fee Related
- 1994-08-02 CA CA002129280A patent/CA2129280A1/fr not_active Abandoned
- 1994-08-03 JP JP6182527A patent/JPH0776789A/ja active Pending
- 1994-08-03 KR KR1019940019163A patent/KR950006029A/ko not_active Ceased

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1209562B (de) *	1959-05-15	1966-01-27	Ciba Geigy	Verfahren zur kontinuierlichen Reinigung von Alkalichloridsole
US3941667A (en) *	1975-03-21	1976-03-02	Friedrich Uhde Gmbh	Method for the reprocessing of cell liquor from diaphragm cell electrolysis plants
DE3805266A1 (de) *	1988-02-19	1989-08-24	Wacker Chemie Gmbh	Verfahren zur sulfatentfernung aus alkalichlorid-sole

Also Published As

Publication number	Publication date
CA2129280A1 (fr)	1995-02-05
DE59405881D1 (de)	1998-06-10
DE4326128A1 (de)	1995-02-09
KR950006029A (ko)	1995-03-20
EP0638518A2 (fr)	1995-02-15
ES2117982T3 (es)	1998-09-01
US5482696A (en)	1996-01-09
JPH0776789A (ja)	1995-03-20
EP0638518B1 (fr)	1998-05-06

Legal Events

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Publication	Publication Date	Title
EP0638518A3 (fr)	1995-03-08	Procédé pour l'électrolyse d'une solution aqueuse de chlorure de potassium
UA98288C2 (ru)	2012-04-25	Способ получения титана
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